What average must exceed to obtain an a

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Final averages are typically normally distributed with a mean of 72 and a standard deviation of 12.5. Your professor says that the top 8% of the class will receive an A, the next 20% a B, the next 42% a C, the next 18% a D and the bottom 12% an F. What average must you exceed to obtain an A?

Reference no: EM13122959

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